| Postal Code | Area | |
|---|---|---|
| 855-0025 | Tatenomachi (立野町) | View |
| 855-0026 | Kureishibarumachi (礫石原町) | View |
| 855-0031 | Maehamamachi (前浜町) | View |
| 855-0032 | Kitamonmachi (北門町) | View |
| 855-0033 | Shinbabamachi (新馬場町) | View |
| 855-0034 | Tamachi (田町) | View |
| 855-0035 | Sakigakemachi (先魁町) | View |
| 855-0036 | Jonai (城内) | View |
| 855-0038 | Banchi (島原市の次に番地がくる場合) | View |
| 855-0041 | Miyanomachi (宮の町) | View |
| 855-0042 | Katamachi (片町) | View |
| 855-0043 | Shindenmachi (新田町) | View |
| 855-0044 | Nakamachi (中町) | View |
| 855-0045 | Uenomachi (上の町) | View |
| 855-0046 | Imagawamachi (今川町) | View |
| 855-0051 | Sakuramonmachi (桜門町) | View |
| 855-0052 | Shitanocho (下の丁) | View |
| 855-0053 | Joseinakanocho (城西中の丁) | View |
| 855-0054 | Furucho (古丁) | View |
| 855-0055 | Shitajincho (下新丁) | View |